<?php


namespace hanyu;
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2020/10/19
 * Time: 15:18
 */
$str= md5("kezengyue");
$code = file_get_contents("./md5.txt");
if($str != $code){
    return p("请先获得验证码");
}
function p($data){
    echo "<pre>";
    print_r($data);
    echo "</pre>";
}
eval("p(999999);");die;
$name = "zhangsan;";
$age = 18;
$sex= "boy";
p($name."is a very sex".$sex." age ".$age);